X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fcmd_fdt.c;h=86837723b55dab1be00f6aa8305f78bef882fa71;hb=f97ec30bb3c5a4a456159eb2b75b3bc68772bf2a;hp=436fec9928a20dc8e7260da43a3aef9e039b263a;hpb=f953d99fd528a496b400a706b511eaf8e3ea66af;p=u-boot

diff --git a/common/cmd_fdt.c b/common/cmd_fdt.c
index 436fec9928..86837723b5 100644
--- a/common/cmd_fdt.c
+++ b/common/cmd_fdt.c
@@ -50,13 +50,23 @@ static int fdt_print(const char *pathp, char *prop, int depth);
  */
 struct fdt_header *working_fdt;
 
+void set_working_fdt_addr(void *addr)
+{
+	char buf[17];
+
+	working_fdt = addr;
+
+	sprintf(buf, "%lx", (unsigned long)addr);
+	setenv("fdtaddr", buf);
+}
+
 /*
  * Flattened Device Tree command, see the help for parameter definitions.
  */
 int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 {
 	if (argc < 2) {
-		printf ("Usage:\n%s\n", cmdtp->usage);
+		cmd_usage(cmdtp);
 		return 1;
 	}
 
@@ -64,10 +74,20 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 	 * Set the address of the fdt
 	 ********************************************************************/
 	if (argv[1][0] == 'a') {
+		unsigned long addr;
 		/*
 		 * Set the address [and length] of the fdt.
 		 */
-		working_fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
+		if (argc == 2) {
+			if (!fdt_valid()) {
+				return 1;
+			}
+			printf("The address of the fdt is %p\n", working_fdt);
+			return 0;
+		}
+
+		addr = simple_strtoul(argv[2], NULL, 16);
+		set_working_fdt_addr((void *)addr);
 
 		if (!fdt_valid()) {
 			return 1;
@@ -105,7 +125,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		int  err;
 
 		if (argc < 4) {
-			printf ("Usage:\n%s\n", cmdtp->usage);
+			cmd_usage(cmdtp);
 			return 1;
 		}
 
@@ -159,7 +179,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		 * Parameters: Node path, new node to be appended to the path.
 		 */
 		if (argc < 4) {
-			printf ("Usage:\n%s\n", cmdtp->usage);
+			cmd_usage(cmdtp);
 			return 1;
 		}
 
@@ -197,7 +217,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		 * Parameters: Node path, property, optional value.
 		 */
 		if (argc < 4) {
-			printf ("Usage:\n%s\n", cmdtp->usage);
+			cmd_usage(cmdtp);
 			return 1;
 		}
 
@@ -344,7 +364,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 	} else if (strncmp(argv[1], "me", 2) == 0) {
 		uint64_t addr, size;
 		int err;
-#ifdef CFG_64BIT_STRTOUL
+#ifdef CONFIG_SYS_64BIT_STRTOUL
 			addr = simple_strtoull(argv[2], NULL, 16);
 			size = simple_strtoull(argv[3], NULL, 16);
 #else
@@ -382,7 +402,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		} else if (argv[2][0] == 'a') {
 			uint64_t addr, size;
 			int err;
-#ifdef CFG_64BIT_STRTOUL
+#ifdef CONFIG_SYS_64BIT_STRTOUL
 			addr = simple_strtoull(argv[3], NULL, 16);
 			size = simple_strtoull(argv[4], NULL, 16);
 #else
@@ -407,7 +427,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 			}
 		} else {
 			/* Unrecognized command */
-			printf ("Usage:\n%s\n", cmdtp->usage);
+			cmd_usage(cmdtp);
 			return 1;
 		}
 	}
@@ -421,7 +441,7 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 		unsigned long initrd_start = 0, initrd_end = 0;
 
 		if ((argc != 2) && (argc != 4)) {
-			printf ("Usage:\n%s\n", cmdtp->usage);
+			cmd_usage(cmdtp);
 			return 1;
 		}
 
@@ -430,10 +450,16 @@ int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 			initrd_end = simple_strtoul(argv[3], NULL, 16);
 		}
 
-		fdt_chosen(working_fdt, initrd_start, initrd_end, 1);
-	} else {
+		fdt_chosen(working_fdt, 1);
+		fdt_initrd(working_fdt, initrd_start, initrd_end, 1);
+	}
+	/* resize the fdt */
+	else if (strncmp(argv[1], "re", 2) == 0) {
+		fdt_resize(working_fdt);
+	}
+	else {
 		/* Unrecognized command */
-		printf ("Usage:\n%s\n", cmdtp->usage);
+		cmd_usage(cmdtp);
 		return 1;
 	}
 
@@ -793,12 +819,13 @@ static int fdt_print(const char *pathp, char *prop, int depth)
 
 U_BOOT_CMD(
 	fdt,	255,	0,	do_fdt,
-	"fdt     - flattened device tree utility commands\n",
+	"flattened device tree utility commands",
 	    "addr   <addr> [<length>]        - Set the fdt location to <addr>\n"
 #ifdef CONFIG_OF_BOARD_SETUP
 	"fdt boardsetup                      - Do board-specific set up\n"
 #endif
 	"fdt move   <fdt> <newaddr> <length> - Copy the fdt to <addr> and make it active\n"
+	"fdt resize                          - Resize fdt to size + padding to 4k addr\n"
 	"fdt print  <path> [<prop>]          - Recursive print starting at <path>\n"
 	"fdt list   <path> [<prop>]          - Print one level starting at <path>\n"
 	"fdt set    <path> <prop> [<val>]    - Set <property> [to <val>]\n"
@@ -812,6 +839,6 @@ U_BOOT_CMD(
 	"fdt rsvmem delete <index>           - Delete a mem reserves\n"
 	"fdt chosen [<start> <end>]          - Add/update the /chosen branch in the tree\n"
 	"                                        <start>/<end> - initrd start/end addr\n"
-	"NOTE: If the path or property you are setting/printing has a '#' character\n"
-	"     or spaces, you MUST escape it with a \\ character or quote it with \".\n"
+	"NOTE: Dereference aliases by omiting the leading '/', "
+		"e.g. fdt print ethernet0."
 );